package cst.a225xm.recyclerviewtest225xm;

import android.content.Context;
import android.support.v7.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.TextView;
import android.widget.Toast;

import java.util.List;

/**
 * Created by Admin on 2017/5/12.
 */

public class MyAdapter extends RecyclerView.Adapter<MyAdapter.ViewHolder> {
    private List<ArticleBean> list;
    private Context context;
    private LayoutInflater layoutInflater;//设布局的

    //自定义，构造函数
    public MyAdapter(Context context) {
        this.context = context;
        layoutInflater=LayoutInflater.from(context);
    }

    //自定义，设置数据list
    public void setList(List<ArticleBean> list){
        this.list=list;
    }

    @Override//重写，为每个item生成一个View
    public MyAdapter.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
        View v=LayoutInflater.from(parent.getContext()).inflate(R.layout.item,parent,false);
        return new ViewHolder(v);
    }

    @Override//重写，给各个item填充数据
    public void onBindViewHolder(MyAdapter.ViewHolder holder, final int position) {
        ArticleBean article=list.get(position);
        if (article==null) return;
        ViewHolder viewHolder=(ViewHolder) holder;
        viewHolder.imageView.setImageResource(article.getImgid());
        viewHolder.tvtitle.setText(article.getTitle());
        viewHolder.tvdescript.setText(article.getDescription());
        viewHolder.tvtime.setText(article.getTime());
        //条目中按钮监听事件
        viewHolder.button.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                list.remove(position);
                notifyDataSetChanged();
            }
        });
        //条目点击监听事件
        viewHolder.itemView.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                String strid= String.valueOf(list.get(position).getArticleId());
                Toast.makeText(context,strid,Toast.LENGTH_LONG).show();
            }
        });
    }

    @Override//重写，确定条目个数
    public int getItemCount() {
        return list.size();
    }

    //自定义，ViewHolder子类，容纳item视图
    public class ViewHolder extends RecyclerView.ViewHolder{
        ImageView imageView;
        TextView tvtitle,tvdescript,tvtime;
        Button button;
        public ViewHolder(View itemView) {
            super(itemView);
            imageView=(ImageView)itemView.findViewById(R.id.imageView);
            tvtitle=(TextView)itemView.findViewById(R.id.TextView);
            tvdescript=(TextView)itemView.findViewById(R.id.TextView2);
            tvtime=(TextView)itemView.findViewById(R.id.TextView3);
            button=(Button)itemView.findViewById(R.id.button);
        }
    }
}
